764px-Caffeine.svg.png
Caffeine is a drug that is used to wake up the body and give it energy but its affects on the body aren't healthy. It can leave they body with some side affects like anxiety, headaches, lost of calcium, an increase in urination, etc. It's formula is C8H10N4O2.
http://www.kidshealth.org/teen/drug_alcohol/drugs/caffeine.html
http://en.wikipedia.org/wiki/Image:Caffeine.svg
Kimme Talington